28 lines
856 B
Go
28 lines
856 B
Go
package x64
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import (
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"encoding/binary"
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"git.akyoto.dev/cli/q/src/build/cpu"
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)
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// StoreNumber stores a number into the memory address included in the given register.
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func StoreNumber(code []byte, register cpu.Register, offset byte, length byte, number int) []byte {
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code = memoryAccess(code, 0xC6, 0xC7, register, offset, length, 0b000)
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switch length {
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case 8, 4:
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return binary.LittleEndian.AppendUint32(code, uint32(number))
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case 2:
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return binary.LittleEndian.AppendUint16(code, uint16(number))
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}
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return append(code, byte(number))
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}
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// StoreRegister stores the contents of the `source` register into the memory address included in the given register.
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func StoreRegister(code []byte, register cpu.Register, offset byte, length byte, source cpu.Register) []byte {
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return memoryAccess(code, 0x88, 0x89, register, offset, length, source)
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}
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